Generate bindings for DioneDispute contract and add to EthereumClient

config/config.go

@@ -25,6 +25,7 @@ type EthereumConfig struct {
 	OracleEmitterContractAddress string `mapstructure:"oracle_emitter_contract_address"`
 	AggregatorContractAddress    string `mapstructure:"aggregator_contract_address"`
 	DioneStakingContractAddress  string `mapstructure:"dione_staking_address"`
+	DisputeContractAddress       string `mapstructure:"dispute_contract_address"`
 }
 
 type FilecoinConfig struct {

contracts/dioneDispute/dioneDispute.go

@@ -0,0 +1,700 @@
+// Code generated - DO NOT EDIT.
+// This file is a generated binding and any manual changes will be lost.
+
+package dioneDispute
+
+import (
+	"math/big"
+	"strings"
+
+	ethereum "github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/accounts/abi/bind"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/event"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var (
+	_ = big.NewInt
+	_ = strings.NewReader
+	_ = ethereum.NotFound
+	_ = bind.Bind
+	_ = common.Big1
+	_ = types.BloomLookup
+	_ = event.NewSubscription
+)
+
+// DioneDisputeABI is the input ABI used to generate the binding from.
+const DioneDisputeABI = "[{\"inputs\":[{\"internalType\":\"contractIDioneStaking\",\"name\":\"_dioneStaking\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"dhash\",\"type\":\"bytes32\"},{\"indexed\":false,\"internalType\":\"bool\",\"name\":\"status\",\"type\":\"bool\"}],\"name\":\"DisputeFinished\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"dhash\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"miner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"disputeInitiator\",\"type\":\"address\"}],\"name\":\"NewDispute\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"bytes32\",\"name\":\"dhash\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"votedMiner\",\"type\":\"address\"}],\"name\":\"NewVote\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"dioneStaking\",\"outputs\":[{\"internalType\":\"contractIDioneStaking\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"miner\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"requestID\",\"type\":\"uint256\"}],\"name\":\"beginDispute\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"dhash\",\"type\":\"bytes32\"},{\"internalType\":\"bool\",\"name\":\"voteStatus\",\"type\":\"bool\"}],\"name\":\"vote\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"dhash\",\"type\":\"bytes32\"}],\"name\":\"finishDispute\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],"
+
+// DioneDispute is an auto generated Go binding around an Ethereum contract.
+type DioneDispute struct {
+	DioneDisputeCaller     // Read-only binding to the contract
+	DioneDisputeTransactor // Write-only binding to the contract
+	DioneDisputeFilterer   // Log filterer for contract events
+}
+
+// DioneDisputeCaller is an auto generated read-only Go binding around an Ethereum contract.
+type DioneDisputeCaller struct {
+	contract *bind.BoundContract // Generic contract wrapper for the low level calls
+}
+
+// DioneDisputeTransactor is an auto generated write-only Go binding around an Ethereum contract.
+type DioneDisputeTransactor struct {
+	contract *bind.BoundContract // Generic contract wrapper for the low level calls
+}
+
+// DioneDisputeFilterer is an auto generated log filtering Go binding around an Ethereum contract events.
+type DioneDisputeFilterer struct {
+	contract *bind.BoundContract // Generic contract wrapper for the low level calls
+}
+
+// DioneDisputeSession is an auto generated Go binding around an Ethereum contract,
+// with pre-set call and transact options.
+type DioneDisputeSession struct {
+	Contract     *DioneDispute     // Generic contract binding to set the session for
+	CallOpts     bind.CallOpts     // Call options to use throughout this session
+	TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session
+}
+
+// DioneDisputeCallerSession is an auto generated read-only Go binding around an Ethereum contract,
+// with pre-set call options.
+type DioneDisputeCallerSession struct {
+	Contract *DioneDisputeCaller // Generic contract caller binding to set the session for
+	CallOpts bind.CallOpts       // Call options to use throughout this session
+}
+
+// DioneDisputeTransactorSession is an auto generated write-only Go binding around an Ethereum contract,
+// with pre-set transact options.
+type DioneDisputeTransactorSession struct {
+	Contract     *DioneDisputeTransactor // Generic contract transactor binding to set the session for
+	TransactOpts bind.TransactOpts       // Transaction auth options to use throughout this session
+}
+
+// DioneDisputeRaw is an auto generated low-level Go binding around an Ethereum contract.
+type DioneDisputeRaw struct {
+	Contract *DioneDispute // Generic contract binding to access the raw methods on
+}
+
+// DioneDisputeCallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract.
+type DioneDisputeCallerRaw struct {
+	Contract *DioneDisputeCaller // Generic read-only contract binding to access the raw methods on
+}
+
+// DioneDisputeTransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract.
+type DioneDisputeTransactorRaw struct {
+	Contract *DioneDisputeTransactor // Generic write-only contract binding to access the raw methods on
+}
+
+// NewDioneDispute creates a new instance of DioneDispute, bound to a specific deployed contract.
+func NewDioneDispute(address common.Address, backend bind.ContractBackend) (*DioneDispute, error) {
+	contract, err := bindDioneDispute(address, backend, backend, backend)
+	if err != nil {
+		return nil, err
+	}
+	return &DioneDispute{DioneDisputeCaller: DioneDisputeCaller{contract: contract}, DioneDisputeTransactor: DioneDisputeTransactor{contract: contract}, DioneDisputeFilterer: DioneDisputeFilterer{contract: contract}}, nil
+}
+
+// NewDioneDisputeCaller creates a new read-only instance of DioneDispute, bound to a specific deployed contract.
+func NewDioneDisputeCaller(address common.Address, caller bind.ContractCaller) (*DioneDisputeCaller, error) {
+	contract, err := bindDioneDispute(address, caller, nil, nil)
+	if err != nil {
+		return nil, err
+	}
+	return &DioneDisputeCaller{contract: contract}, nil
+}
+
+// NewDioneDisputeTransactor creates a new write-only instance of DioneDispute, bound to a specific deployed contract.
+func NewDioneDisputeTransactor(address common.Address, transactor bind.ContractTransactor) (*DioneDisputeTransactor, error) {
+	contract, err := bindDioneDispute(address, nil, transactor, nil)
+	if err != nil {
+		return nil, err
+	}
+	return &DioneDisputeTransactor{contract: contract}, nil
+}
+
+// NewDioneDisputeFilterer creates a new log filterer instance of DioneDispute, bound to a specific deployed contract.
+func NewDioneDisputeFilterer(address common.Address, filterer bind.ContractFilterer) (*DioneDisputeFilterer, error) {
+	contract, err := bindDioneDispute(address, nil, nil, filterer)
+	if err != nil {
+		return nil, err
+	}
+	return &DioneDisputeFilterer{contract: contract}, nil
+}
+
+// bindDioneDispute binds a generic wrapper to an already deployed contract.
+func bindDioneDispute(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
+	parsed, err := abi.JSON(strings.NewReader(DioneDisputeABI))
+	if err != nil {
+		return nil, err
+	}
+	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+}
+
+// Call invokes the (constant) contract method with params as input values and
+// sets the output to result. The result type might be a single field for simple
+// returns, a slice of interfaces for anonymous returns and a struct for named
+// returns.
+func (_DioneDispute *DioneDisputeRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
+	return _DioneDispute.Contract.DioneDisputeCaller.contract.Call(opts, result, method, params...)
+}
+
+// Transfer initiates a plain transaction to move funds to the contract, calling
+// its default method if one is available.
+func (_DioneDispute *DioneDisputeRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _DioneDispute.Contract.DioneDisputeTransactor.contract.Transfer(opts)
+}
+
+// Transact invokes the (paid) contract method with params as input values.
+func (_DioneDispute *DioneDisputeRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
+	return _DioneDispute.Contract.DioneDisputeTransactor.contract.Transact(opts, method, params...)
+}
+
+// Call invokes the (constant) contract method with params as input values and
+// sets the output to result. The result type might be a single field for simple
+// returns, a slice of interfaces for anonymous returns and a struct for named
+// returns.
+func (_DioneDispute *DioneDisputeCallerRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
+	return _DioneDispute.Contract.contract.Call(opts, result, method, params...)
+}
+
+// Transfer initiates a plain transaction to move funds to the contract, calling
+// its default method if one is available.
+func (_DioneDispute *DioneDisputeTransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _DioneDispute.Contract.contract.Transfer(opts)
+}
+
+// Transact invokes the (paid) contract method with params as input values.
+func (_DioneDispute *DioneDisputeTransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
+	return _DioneDispute.Contract.contract.Transact(opts, method, params...)
+}
+
+// DioneStaking is a free data retrieval call binding the contract method 0xe7013ddd.
+//
+// Solidity: function dioneStaking() view returns(address)
+func (_DioneDispute *DioneDisputeCaller) DioneStaking(opts *bind.CallOpts) (common.Address, error) {
+	var out []interface{}
+	err := _DioneDispute.contract.Call(opts, &out, "dioneStaking")
+
+	if err != nil {
+		return *new(common.Address), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
+
+	return out0, err
+
+}
+
+// DioneStaking is a free data retrieval call binding the contract method 0xe7013ddd.
+//
+// Solidity: function dioneStaking() view returns(address)
+func (_DioneDispute *DioneDisputeSession) DioneStaking() (common.Address, error) {
+	return _DioneDispute.Contract.DioneStaking(&_DioneDispute.CallOpts)
+}
+
+// DioneStaking is a free data retrieval call binding the contract method 0xe7013ddd.
+//
+// Solidity: function dioneStaking() view returns(address)
+func (_DioneDispute *DioneDisputeCallerSession) DioneStaking() (common.Address, error) {
+	return _DioneDispute.Contract.DioneStaking(&_DioneDispute.CallOpts)
+}
+
+// BeginDispute is a paid mutator transaction binding the contract method 0x0b5e2057.
+//
+// Solidity: function beginDispute(address miner, uint256 requestID) returns()
+func (_DioneDispute *DioneDisputeTransactor) BeginDispute(opts *bind.TransactOpts, miner common.Address, requestID *big.Int) (*types.Transaction, error) {
+	return _DioneDispute.contract.Transact(opts, "beginDispute", miner, requestID)
+}
+
+// BeginDispute is a paid mutator transaction binding the contract method 0x0b5e2057.
+//
+// Solidity: function beginDispute(address miner, uint256 requestID) returns()
+func (_DioneDispute *DioneDisputeSession) BeginDispute(miner common.Address, requestID *big.Int) (*types.Transaction, error) {
+	return _DioneDispute.Contract.BeginDispute(&_DioneDispute.TransactOpts, miner, requestID)
+}
+
+// BeginDispute is a paid mutator transaction binding the contract method 0x0b5e2057.
+//
+// Solidity: function beginDispute(address miner, uint256 requestID) returns()
+func (_DioneDispute *DioneDisputeTransactorSession) BeginDispute(miner common.Address, requestID *big.Int) (*types.Transaction, error) {
+	return _DioneDispute.Contract.BeginDispute(&_DioneDispute.TransactOpts, miner, requestID)
+}
+
+// FinishDispute is a paid mutator transaction binding the contract method 0xa597d7c5.
+//
+// Solidity: function finishDispute(bytes32 dhash) returns()
+func (_DioneDispute *DioneDisputeTransactor) FinishDispute(opts *bind.TransactOpts, dhash [32]byte) (*types.Transaction, error) {
+	return _DioneDispute.contract.Transact(opts, "finishDispute", dhash)
+}
+
+// FinishDispute is a paid mutator transaction binding the contract method 0xa597d7c5.
+//
+// Solidity: function finishDispute(bytes32 dhash) returns()
+func (_DioneDispute *DioneDisputeSession) FinishDispute(dhash [32]byte) (*types.Transaction, error) {
+	return _DioneDispute.Contract.FinishDispute(&_DioneDispute.TransactOpts, dhash)
+}
+
+// FinishDispute is a paid mutator transaction binding the contract method 0xa597d7c5.
+//
+// Solidity: function finishDispute(bytes32 dhash) returns()
+func (_DioneDispute *DioneDisputeTransactorSession) FinishDispute(dhash [32]byte) (*types.Transaction, error) {
+	return _DioneDispute.Contract.FinishDispute(&_DioneDispute.TransactOpts, dhash)
+}
+
+// Vote is a paid mutator transaction binding the contract method 0x9f2ce678.
+//
+// Solidity: function vote(bytes32 dhash, bool voteStatus) returns()
+func (_DioneDispute *DioneDisputeTransactor) Vote(opts *bind.TransactOpts, dhash [32]byte, voteStatus bool) (*types.Transaction, error) {
+	return _DioneDispute.contract.Transact(opts, "vote", dhash, voteStatus)
+}
+
+// Vote is a paid mutator transaction binding the contract method 0x9f2ce678.
+//
+// Solidity: function vote(bytes32 dhash, bool voteStatus) returns()
+func (_DioneDispute *DioneDisputeSession) Vote(dhash [32]byte, voteStatus bool) (*types.Transaction, error) {
+	return _DioneDispute.Contract.Vote(&_DioneDispute.TransactOpts, dhash, voteStatus)
+}
+
+// Vote is a paid mutator transaction binding the contract method 0x9f2ce678.
+//
+// Solidity: function vote(bytes32 dhash, bool voteStatus) returns()
+func (_DioneDispute *DioneDisputeTransactorSession) Vote(dhash [32]byte, voteStatus bool) (*types.Transaction, error) {
+	return _DioneDispute.Contract.Vote(&_DioneDispute.TransactOpts, dhash, voteStatus)
+}
+
+// DioneDisputeDisputeFinishedIterator is returned from FilterDisputeFinished and is used to iterate over the raw logs and unpacked data for DisputeFinished events raised by the DioneDispute contract.
+type DioneDisputeDisputeFinishedIterator struct {
+	Event *DioneDisputeDisputeFinished // Event containing the contract specifics and raw log
+
+	contract *bind.BoundContract // Generic contract to use for unpacking event data
+	event    string              // Event name to use for unpacking event data
+
+	logs chan types.Log        // Log channel receiving the found contract events
+	sub  ethereum.Subscription // Subscription for errors, completion and termination
+	done bool                  // Whether the subscription completed delivering logs
+	fail error                 // Occurred error to stop iteration
+}
+
+// Next advances the iterator to the subsequent event, returning whether there
+// are any more events found. In case of a retrieval or parsing error, false is
+// returned and Error() can be queried for the exact failure.
+func (it *DioneDisputeDisputeFinishedIterator) Next() bool {
+	// If the iterator failed, stop iterating
+	if it.fail != nil {
+		return false
+	}
+	// If the iterator completed, deliver directly whatever's available
+	if it.done {
+		select {
+		case log := <-it.logs:
+			it.Event = new(DioneDisputeDisputeFinished)
+			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+				it.fail = err
+				return false
+			}
+			it.Event.Raw = log
+			return true
+
+		default:
+			return false
+		}
+	}
+	// Iterator still in progress, wait for either a data or an error event
+	select {
+	case log := <-it.logs:
+		it.Event = new(DioneDisputeDisputeFinished)
+		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+			it.fail = err
+			return false
+		}
+		it.Event.Raw = log
+		return true
+
+	case err := <-it.sub.Err():
+		it.done = true
+		it.fail = err
+		return it.Next()
+	}
+}
+
+// Error returns any retrieval or parsing error occurred during filtering.
+func (it *DioneDisputeDisputeFinishedIterator) Error() error {
+	return it.fail
+}
+
+// Close terminates the iteration process, releasing any pending underlying
+// resources.
+func (it *DioneDisputeDisputeFinishedIterator) Close() error {
+	it.sub.Unsubscribe()
+	return nil
+}
+
+// DioneDisputeDisputeFinished represents a DisputeFinished event raised by the DioneDispute contract.
+type DioneDisputeDisputeFinished struct {
+	Dhash  [32]byte
+	Status bool
+	Raw    types.Log // Blockchain specific contextual infos
+}
+
+// FilterDisputeFinished is a free log retrieval operation binding the contract event 0x4d9456641532b60dd6621cc1147a253cb157757d8df5b07c92aab0e82d4c3359.
+//
+// Solidity: event DisputeFinished(bytes32 dhash, bool status)
+func (_DioneDispute *DioneDisputeFilterer) FilterDisputeFinished(opts *bind.FilterOpts) (*DioneDisputeDisputeFinishedIterator, error) {
+
+	logs, sub, err := _DioneDispute.contract.FilterLogs(opts, "DisputeFinished")
+	if err != nil {
+		return nil, err
+	}
+	return &DioneDisputeDisputeFinishedIterator{contract: _DioneDispute.contract, event: "DisputeFinished", logs: logs, sub: sub}, nil
+}
+
+// WatchDisputeFinished is a free log subscription operation binding the contract event 0x4d9456641532b60dd6621cc1147a253cb157757d8df5b07c92aab0e82d4c3359.
+//
+// Solidity: event DisputeFinished(bytes32 dhash, bool status)
+func (_DioneDispute *DioneDisputeFilterer) WatchDisputeFinished(opts *bind.WatchOpts, sink chan<- *DioneDisputeDisputeFinished) (event.Subscription, error) {
+
+	logs, sub, err := _DioneDispute.contract.WatchLogs(opts, "DisputeFinished")
+	if err != nil {
+		return nil, err
+	}
+	return event.NewSubscription(func(quit <-chan struct{}) error {
+		defer sub.Unsubscribe()
+		for {
+			select {
+			case log := <-logs:
+				// New log arrived, parse the event and forward to the user
+				event := new(DioneDisputeDisputeFinished)
+				if err := _DioneDispute.contract.UnpackLog(event, "DisputeFinished", log); err != nil {
+					return err
+				}
+				event.Raw = log
+
+				select {
+				case sink <- event:
+				case err := <-sub.Err():
+					return err
+				case <-quit:
+					return nil
+				}
+			case err := <-sub.Err():
+				return err
+			case <-quit:
+				return nil
+			}
+		}
+	}), nil
+}
+
+// ParseDisputeFinished is a log parse operation binding the contract event 0x4d9456641532b60dd6621cc1147a253cb157757d8df5b07c92aab0e82d4c3359.
+//
+// Solidity: event DisputeFinished(bytes32 dhash, bool status)
+func (_DioneDispute *DioneDisputeFilterer) ParseDisputeFinished(log types.Log) (*DioneDisputeDisputeFinished, error) {
+	event := new(DioneDisputeDisputeFinished)
+	if err := _DioneDispute.contract.UnpackLog(event, "DisputeFinished", log); err != nil {
+		return nil, err
+	}
+	event.Raw = log
+	return event, nil
+}
+
+// DioneDisputeNewDisputeIterator is returned from FilterNewDispute and is used to iterate over the raw logs and unpacked data for NewDispute events raised by the DioneDispute contract.
+type DioneDisputeNewDisputeIterator struct {
+	Event *DioneDisputeNewDispute // Event containing the contract specifics and raw log
+
+	contract *bind.BoundContract // Generic contract to use for unpacking event data
+	event    string              // Event name to use for unpacking event data
+
+	logs chan types.Log        // Log channel receiving the found contract events
+	sub  ethereum.Subscription // Subscription for errors, completion and termination
+	done bool                  // Whether the subscription completed delivering logs
+	fail error                 // Occurred error to stop iteration
+}
+
+// Next advances the iterator to the subsequent event, returning whether there
+// are any more events found. In case of a retrieval or parsing error, false is
+// returned and Error() can be queried for the exact failure.
+func (it *DioneDisputeNewDisputeIterator) Next() bool {
+	// If the iterator failed, stop iterating
+	if it.fail != nil {
+		return false
+	}
+	// If the iterator completed, deliver directly whatever's available
+	if it.done {
+		select {
+		case log := <-it.logs:
+			it.Event = new(DioneDisputeNewDispute)
+			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+				it.fail = err
+				return false
+			}
+			it.Event.Raw = log
+			return true
+
+		default:
+			return false
+		}
+	}
+	// Iterator still in progress, wait for either a data or an error event
+	select {
+	case log := <-it.logs:
+		it.Event = new(DioneDisputeNewDispute)
+		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+			it.fail = err
+			return false
+		}
+		it.Event.Raw = log
+		return true
+
+	case err := <-it.sub.Err():
+		it.done = true
+		it.fail = err
+		return it.Next()
+	}
+}
+
+// Error returns any retrieval or parsing error occurred during filtering.
+func (it *DioneDisputeNewDisputeIterator) Error() error {
+	return it.fail
+}
+
+// Close terminates the iteration process, releasing any pending underlying
+// resources.
+func (it *DioneDisputeNewDisputeIterator) Close() error {
+	it.sub.Unsubscribe()
+	return nil
+}
+
+// DioneDisputeNewDispute represents a NewDispute event raised by the DioneDispute contract.
+type DioneDisputeNewDispute struct {
+	Dhash            [32]byte
+	Miner            common.Address
+	DisputeInitiator common.Address
+	Raw              types.Log // Blockchain specific contextual infos
+}
+
+// FilterNewDispute is a free log retrieval operation binding the contract event 0xcd3d2ebd72bbbf7e5659c6790b60f42174aafe2741b7ba3807007455faae522e.
+//
+// Solidity: event NewDispute(bytes32 dhash, address indexed miner, address indexed disputeInitiator)
+func (_DioneDispute *DioneDisputeFilterer) FilterNewDispute(opts *bind.FilterOpts, miner []common.Address, disputeInitiator []common.Address) (*DioneDisputeNewDisputeIterator, error) {
+
+	var minerRule []interface{}
+	for _, minerItem := range miner {
+		minerRule = append(minerRule, minerItem)
+	}
+	var disputeInitiatorRule []interface{}
+	for _, disputeInitiatorItem := range disputeInitiator {
+		disputeInitiatorRule = append(disputeInitiatorRule, disputeInitiatorItem)
+	}
+
+	logs, sub, err := _DioneDispute.contract.FilterLogs(opts, "NewDispute", minerRule, disputeInitiatorRule)
+	if err != nil {
+		return nil, err
+	}
+	return &DioneDisputeNewDisputeIterator{contract: _DioneDispute.contract, event: "NewDispute", logs: logs, sub: sub}, nil
+}
+
+// WatchNewDispute is a free log subscription operation binding the contract event 0xcd3d2ebd72bbbf7e5659c6790b60f42174aafe2741b7ba3807007455faae522e.
+//
+// Solidity: event NewDispute(bytes32 dhash, address indexed miner, address indexed disputeInitiator)
+func (_DioneDispute *DioneDisputeFilterer) WatchNewDispute(opts *bind.WatchOpts, sink chan<- *DioneDisputeNewDispute, miner []common.Address, disputeInitiator []common.Address) (event.Subscription, error) {
+
+	var minerRule []interface{}
+	for _, minerItem := range miner {
+		minerRule = append(minerRule, minerItem)
+	}
+	var disputeInitiatorRule []interface{}
+	for _, disputeInitiatorItem := range disputeInitiator {
+		disputeInitiatorRule = append(disputeInitiatorRule, disputeInitiatorItem)
+	}
+
+	logs, sub, err := _DioneDispute.contract.WatchLogs(opts, "NewDispute", minerRule, disputeInitiatorRule)
+	if err != nil {
+		return nil, err
+	}
+	return event.NewSubscription(func(quit <-chan struct{}) error {
+		defer sub.Unsubscribe()
+		for {
+			select {
+			case log := <-logs:
+				// New log arrived, parse the event and forward to the user
+				event := new(DioneDisputeNewDispute)
+				if err := _DioneDispute.contract.UnpackLog(event, "NewDispute", log); err != nil {
+					return err
+				}
+				event.Raw = log
+
+				select {
+				case sink <- event:
+				case err := <-sub.Err():
+					return err
+				case <-quit:
+					return nil
+				}
+			case err := <-sub.Err():
+				return err
+			case <-quit:
+				return nil
+			}
+		}
+	}), nil
+}
+
+// ParseNewDispute is a log parse operation binding the contract event 0xcd3d2ebd72bbbf7e5659c6790b60f42174aafe2741b7ba3807007455faae522e.
+//
+// Solidity: event NewDispute(bytes32 dhash, address indexed miner, address indexed disputeInitiator)
+func (_DioneDispute *DioneDisputeFilterer) ParseNewDispute(log types.Log) (*DioneDisputeNewDispute, error) {
+	event := new(DioneDisputeNewDispute)
+	if err := _DioneDispute.contract.UnpackLog(event, "NewDispute", log); err != nil {
+		return nil, err
+	}
+	event.Raw = log
+	return event, nil
+}
+
+// DioneDisputeNewVoteIterator is returned from FilterNewVote and is used to iterate over the raw logs and unpacked data for NewVote events raised by the DioneDispute contract.
+type DioneDisputeNewVoteIterator struct {
+	Event *DioneDisputeNewVote // Event containing the contract specifics and raw log
+
+	contract *bind.BoundContract // Generic contract to use for unpacking event data
+	event    string              // Event name to use for unpacking event data
+
+	logs chan types.Log        // Log channel receiving the found contract events
+	sub  ethereum.Subscription // Subscription for errors, completion and termination
+	done bool                  // Whether the subscription completed delivering logs
+	fail error                 // Occurred error to stop iteration
+}
+
+// Next advances the iterator to the subsequent event, returning whether there
+// are any more events found. In case of a retrieval or parsing error, false is
+// returned and Error() can be queried for the exact failure.
+func (it *DioneDisputeNewVoteIterator) Next() bool {
+	// If the iterator failed, stop iterating
+	if it.fail != nil {
+		return false
+	}
+	// If the iterator completed, deliver directly whatever's available
+	if it.done {
+		select {
+		case log := <-it.logs:
+			it.Event = new(DioneDisputeNewVote)
+			if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+				it.fail = err
+				return false
+			}
+			it.Event.Raw = log
+			return true
+
+		default:
+			return false
+		}
+	}
+	// Iterator still in progress, wait for either a data or an error event
+	select {
+	case log := <-it.logs:
+		it.Event = new(DioneDisputeNewVote)
+		if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil {
+			it.fail = err
+			return false
+		}
+		it.Event.Raw = log
+		return true
+
+	case err := <-it.sub.Err():
+		it.done = true
+		it.fail = err
+		return it.Next()
+	}
+}
+
+// Error returns any retrieval or parsing error occurred during filtering.
+func (it *DioneDisputeNewVoteIterator) Error() error {
+	return it.fail
+}
+
+// Close terminates the iteration process, releasing any pending underlying
+// resources.
+func (it *DioneDisputeNewVoteIterator) Close() error {
+	it.sub.Unsubscribe()
+	return nil
+}
+
+// DioneDisputeNewVote represents a NewVote event raised by the DioneDispute contract.
+type DioneDisputeNewVote struct {
+	Dhash      [32]byte
+	VotedMiner common.Address
+	Raw        types.Log // Blockchain specific contextual infos
+}
+
+// FilterNewVote is a free log retrieval operation binding the contract event 0xc0f8946b28ac7993b4dd24b05482b70709d3394c92247236929d86a50b24d0ab.
+//
+// Solidity: event NewVote(bytes32 dhash, address indexed votedMiner)
+func (_DioneDispute *DioneDisputeFilterer) FilterNewVote(opts *bind.FilterOpts, votedMiner []common.Address) (*DioneDisputeNewVoteIterator, error) {
+
+	var votedMinerRule []interface{}
+	for _, votedMinerItem := range votedMiner {
+		votedMinerRule = append(votedMinerRule, votedMinerItem)
+	}
+
+	logs, sub, err := _DioneDispute.contract.FilterLogs(opts, "NewVote", votedMinerRule)
+	if err != nil {
+		return nil, err
+	}
+	return &DioneDisputeNewVoteIterator{contract: _DioneDispute.contract, event: "NewVote", logs: logs, sub: sub}, nil
+}
+
+// WatchNewVote is a free log subscription operation binding the contract event 0xc0f8946b28ac7993b4dd24b05482b70709d3394c92247236929d86a50b24d0ab.
+//
+// Solidity: event NewVote(bytes32 dhash, address indexed votedMiner)
+func (_DioneDispute *DioneDisputeFilterer) WatchNewVote(opts *bind.WatchOpts, sink chan<- *DioneDisputeNewVote, votedMiner []common.Address) (event.Subscription, error) {
+
+	var votedMinerRule []interface{}
+	for _, votedMinerItem := range votedMiner {
+		votedMinerRule = append(votedMinerRule, votedMinerItem)
+	}
+
+	logs, sub, err := _DioneDispute.contract.WatchLogs(opts, "NewVote", votedMinerRule)
+	if err != nil {
+		return nil, err
+	}
+	return event.NewSubscription(func(quit <-chan struct{}) error {
+		defer sub.Unsubscribe()
+		for {
+			select {
+			case log := <-logs:
+				// New log arrived, parse the event and forward to the user
+				event := new(DioneDisputeNewVote)
+				if err := _DioneDispute.contract.UnpackLog(event, "NewVote", log); err != nil {
+					return err
+				}
+				event.Raw = log
+
+				select {
+				case sink <- event:
+				case err := <-sub.Err():
+					return err
+				case <-quit:
+					return nil
+				}
+			case err := <-sub.Err():
+				return err
+			case <-quit:
+				return nil
+			}
+		}
+	}), nil
+}
+
+// ParseNewVote is a log parse operation binding the contract event 0xc0f8946b28ac7993b4dd24b05482b70709d3394c92247236929d86a50b24d0ab.
+//
+// Solidity: event NewVote(bytes32 dhash, address indexed votedMiner)
+func (_DioneDispute *DioneDisputeFilterer) ParseNewVote(log types.Log) (*DioneDisputeNewVote, error) {
+	event := new(DioneDisputeNewVote)
+	if err := _DioneDispute.contract.UnpackLog(event, "NewVote", log); err != nil {
+		return nil, err
+	}
+	event.Raw = log
+	return event, nil
+}

ethclient/ethereum.go

@@ -2,9 +2,11 @@ package ethclient
 
 import (
 	"context"
+	"encoding/hex"
 	"math/big"
 
 	"github.com/Secured-Finance/dione/contracts/aggregator"
+	"github.com/Secured-Finance/dione/contracts/dioneDispute"
 	"github.com/Secured-Finance/dione/contracts/dioneStaking"
 	stakingContract "github.com/Secured-Finance/dione/contracts/dioneStaking"
 	oracleEmitter "github.com/Secured-Finance/dione/contracts/oracleemitter"
@@ -17,12 +19,13 @@ import (
 
 //	TODO: change artifacts for other contracts
 type EthereumClient struct {
-	client         *ethclient.Client
+	client          *ethclient.Client
-	ethAddress     *common.Address
+	ethAddress      *common.Address
-	authTransactor *bind.TransactOpts
+	authTransactor  *bind.TransactOpts
-	oracleEmitter  *oracleEmitter.OracleEmitterSession
+	oracleEmitter   *oracleEmitter.OracleEmitterSession
-	aggregator     *aggregator.AggregatorSession
+	aggregator      *aggregator.AggregatorSession
-	dioneStaking   *stakingContract.DioneStakingSession
+	dioneStaking    *stakingContract.DioneStakingSession
+	disputeContract *dioneDispute.DioneDisputeSession
 	// dioneOracle    *dioneOracle.DioneOracleSession
 }
 
@@ -38,6 +41,8 @@ type Ethereum interface {
 	Balance(context.Context, string) (*big.Int, error)
 	SubscribeOnSmartContractEvents(context.Context, string)
 	SubmitRequestAnswer(reqID *big.Int, data string, callbackAddress common.Address, callbackMethodID [4]byte) error
+	BeginDispute(miner common.Address, requestID *big.Int) error
+	VoteDispute() error
 }
 
 func NewEthereumClient() *EthereumClient {
@@ -46,7 +51,7 @@ func NewEthereumClient() *EthereumClient {
 	return ethereumClient
 }
 
-func (c *EthereumClient) Initialize(ctx context.Context, url, privateKey, oracleEmitterContractAddress, aggregatorContractAddress, dioneStakingAddress string) error {
+func (c *EthereumClient) Initialize(ctx context.Context, url, privateKey, oracleEmitterContractAddress, aggregatorContractAddress, dioneStakingAddress, disputeContractAddress string) error {
 	client, err := ethclient.Dial(url)
 	if err != nil {
 		return err
@@ -72,6 +77,10 @@ func (c *EthereumClient) Initialize(ctx context.Context, url, privateKey, oracle
 	if err != nil {
 		return err
 	}
+	disputeContract, err := dioneDispute.NewDioneDispute(common.HexToAddress(disputeContractAddress), client)
+	if err != nil {
+		return err
+	}
 	// oracleContract, err := dioneOracle.NewDioneOracle(common.HexToAddress(dioneOracleContract), client)
 	// if err != nil {
 	// 	return err
@@ -121,6 +130,21 @@ func (c *EthereumClient) Initialize(ctx context.Context, url, privateKey, oracle
 			Context:  context.Background(),
 		},
 	}
+	c.disputeContract = &dioneDispute.DioneDisputeSession{
+		Contract: disputeContract,
+		CallOpts: bind.CallOpts{
+			Pending: true,
+			From:    authTransactor.From,
+			Context: context.Background(),
+		},
+		TransactOpts: bind.TransactOpts{
+			From:     authTransactor.From,
+			Signer:   authTransactor.Signer,
+			GasLimit: 0,   // 0 automatically estimates gas limit
+			GasPrice: nil, // nil automatically suggests gas price
+			Context:  context.Background(),
+		},
+	}
 	// c.dioneOracle = &dioneOracle.DioneOracleSession{
 	// 	Contract: oracleContract,
 	// 	CallOpts: bind.CallOpts{
@@ -177,3 +201,55 @@ func (c *EthereumClient) SubmitRequestAnswer(reqID *big.Int, data string, callba
 
 	return nil
 }
+
+func (c *EthereumClient) BeginDispute(miner common.Address, requestID *big.Int) error {
+	_, err := c.disputeContract.BeginDispute(miner, requestID)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (c *EthereumClient) VoteDispute(dhash string, voteStatus bool) error {
+	dhashRawSlice, err := hex.DecodeString(dhash)
+	if err != nil {
+		return err
+	}
+	var dhashRaw [32]byte
+	copy(dhashRaw[:], dhashRawSlice)
+	_, err = c.disputeContract.Vote(dhashRaw, voteStatus)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (c *EthereumClient) FinishDispute(dhash string) error {
+	dhashRawSlice, err := hex.DecodeString(dhash)
+	if err != nil {
+		return err
+	}
+	var dhashRaw [32]byte
+	copy(dhashRaw[:], dhashRawSlice)
+	_, err = c.disputeContract.FinishDispute(dhashRaw)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (c *EthereumClient) SubscribeOnNewDisputes(ctx context.Context) (chan *dioneDispute.DioneDisputeNewDispute, event.Subscription, error) {
+	resChan := make(chan *dioneDispute.DioneDisputeNewDispute)
+	requestsFilter := c.disputeContract.Contract.DioneDisputeFilterer
+	subscription, err := requestsFilter.WatchNewDispute(&bind.WatchOpts{
+		Start:   nil, //last block
+		Context: ctx,
+	}, resChan, nil, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+	return resChan, subscription, err
+}

node/node.go

@@ -280,6 +280,7 @@ func provideEthereumClient(config *config.Config) (*ethclient.EthereumClient, er
 		config.Ethereum.OracleEmitterContractAddress,
 		config.Ethereum.AggregatorContractAddress,
 		config.Ethereum.DioneStakingContractAddress,
+		config.Ethereum.DisputeContractAddress,
 	)
 	if err != nil {
 		return nil, xerrors.Errorf("failed to initialize ethereum client: %v", err)